package org.example.blog.services.impl;

import org.example.blog.entities.Category;
import org.example.blog.entities.Post;
import org.example.blog.entities.User;
import org.example.blog.services.PostService;
import org.zoomdev.zoom.common.utils.Page;

import java.time.LocalDateTime;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;

public class PostServiceImpl implements PostService {
    // 伪代码 - 实际项目中注入DAO

    public Post createPost(String title, String content, User author, Category category) {
        Post newPost = new Post();
        newPost.setTitle(title);
        newPost.setContent(content);
        newPost.setAuthor(author);
        newPost.setCategory(category);
        newPost.setStatus(1); // 默认为发布状态
        newPost.setCreatedAt(LocalDateTime.now());
        newPost.setUpdatedAt(LocalDateTime.now());

        // 伪代码 - 保存到数据库
        // postRepository.save(newPost);

        return newPost;
    }

    public Post updatePost(Post post) {
        post.setUpdatedAt(LocalDateTime.now());
        // 伪代码 - 更新数据库
        // postRepository.update(post);
        return post;
    }

    public void deletePost(Long postId) {
        // 伪代码 - 删除数据库记录
        // postRepository.delete(postId);
    }

    public Post getPostById(Long postId) {
        // 伪代码 - 从数据库获取
        return new Post(); // postRepository.findById(postId);
    }

    public List<Post> getLatestPosts(int count) {
        // 伪代码 - 查询数据库
        return Arrays.asList();  // postRepository.findLatestPublished(count);
    }

    public List<Post> searchPosts(String keyword) {
        // 伪代码 - 查询数据库
        return Arrays.asList();  // postRepository.search(keyword);
    }

    @Override
    public Page<Post> findPublishedPosts(int page, int size) {
        return null;
    }

    @Override
    public Page<Post> findByCategoryId(Long categoryId, int page, int size) {
        return null;
    }

    @Override
    public Page<Post> findByUserId(Long userId, int page, int size) {
        return null;
    }

    @Override
    public Page<Post> search(String keyword, int page, int size) {
        return null;
    }

    @Override
    public List<Post> findByIds(List<Long> postIds) {
        return Collections.emptyList();
    }
}
